Inhibition Effect on Root Rot Disease of Panax ginseng by Crop Cultivation in Soil Occurring Replant Failure

Lee, Sung Woo; Lee, Seung Ho; Park, Kyung Hoon; Jin, Liu; Jang, In Bok; Kim, Ki Hong

doi:10.7783/kjmcs.2015.23.3.223

Cited by 11 publications

(7 citation statements)

References 18 publications

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“…In a study of replanted Panax ginseng , Lee et al . (2015) screened out several suitable rotation crops, such as perilla and potato, from 18 plant species, which could reduce root rot disease and promote ginseng growth 28 . However, the mechanism underlying soil improvement by rotation is lacking.…”

Section: Introductionmentioning

confidence: 99%

Effects of maize rotation on the physicochemical properties and microbial communities of American ginseng cultivated soil

Jiao

Xiao

Qin

et al. 2019

Sci Rep

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The production of American ginseng ( Panax quinquefolius L.) is severely limited by the replant disorders in China. Crop rotation with maize might reduce the replant problems, but little information is available on the effect of maize rotation on soil cultivated with ginseng. In this study, we analyzed nutrients, phenolic acids, and microbial communities in soils from the fields with continuous maize, mono-culture ginseng, and 1-, 3-, and 5-year maize rotation after ginseng. Pot experiments were also conducted to evaluate the performance of replanting ginseng in these soils. The results showed that Mn, Cu, and 5 phenolic acids in ginseng-cultivated soil were significantly decreased by maize rotation. A 5-year maize rotation significantly increased the relative abundance of beneficial soil bacteria, such as Arthrobacter , rather than decreasing the abundances of potential pathogenic genera. Clustering analysis revealed that the physicochemical properties and microbial communities of 3- and 5-year maize rotation soil were more similar to CM than to G soil. The biomass of replanted ginseng root was improved, and root disease was reduced over 3 years of maize rotation. Overall, the results showed that at least a 3-year maize rotation is needed to overcome the replant failure of American ginseng.

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Section: Introductionmentioning

confidence: 99%

Effects of maize rotation on the physicochemical properties and microbial communities of American ginseng cultivated soil

Jiao

Xiao

Qin

et al. 2019

Sci Rep

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“…Various approaches have been explored to manage C. destructans infection, including crop rotation with ginseng and rice, soil fumigation, chemical control using fungicides, and biological control using antagonistic bacteria [ 15 16 17 18 ]. Soil fumigation before planting is the most effective treatment against C. destructans [ 14 15 16 19 ].…”

mentioning

confidence: 99%

“…Soil fumigation before planting is the most effective treatment against C. destructans [ 14 15 16 19 ]. However, this approach is affected by the soil environment and may not be effective on ginseng seeds already infected with the pathogen [ 15 16 18 ]. Integrated disease management strategies using a combination of techniques such as chemical, biological, and cultural control would be more effective than using only one control technique.…”

mentioning

confidence: 99%

The Effect of Fungicides on Mycelial Growth and Conidial Germination of the Ginseng Root Rot Fungus, Cylindrocarpon destructans

Shin

Park³

et al. 2017

Mycobiology

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Ginseng root rot caused by Cylindrocarpon destructans is the most destructive disease of ginseng. Six different fungicides (thiophanate-methyl, benomyl, prochloraz, mancozeb, azoxystrobin, and iprodione) were selected to evaluate the inhibitory effect on the mycelial growth and conidial germination of C. destructans isolates. Benomyl and prochloraz were found to be the most effective fungicides in inhibiting mycelial growth of all tested isolates, showing 64.7% to 100% inhibition at a concentration of 10 µg/mL, whereas thiophanate-methyl was the least effective fungicide, showing less than 50% inhibition even at a higher concentration of 100 µg/mL. The tested fungicides exhibited less than 20% inhibition of conidium germination at concentrations of 0.01, 0.1, and 1 µg/mL. However, the inhibition effect of mancozeb on condium germination of C. destructans was significantly increased to 92% to 99% at a higher concentration of 100 µg/mL, while the others still showed no higher than 30% inhibition.

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“…2023, 7, 108 2 of 14 When American ginseng (Panax quinquefolius) is planted in the same soil in which ginseng was previously harvested, crop failure can occur, which is known as replant disease [13]. Ginseng replant disease is host-specific in that other crops, such as rice, soybean, wheat and maize, can be planted in ginseng soil without being affected [14,15]. Replant disease is associated with root infections by Ilyonectria mors-panacis, which can cause symptoms ranging from black-brown localized lesions to disappearing root rot, where the entire root disintegrates leaving only the epidermis, which leads to wilt, discoloration, and death of the plants [13,16].…”

Section: Introductionmentioning

confidence: 99%

Decay of Root Debris after Harvesting American Ginseng (Panax quinquefolius) and Changes in Soil Chemistry and Microbiology

Suárez,

Valliani,

Hsiang

et al. 2023

Soil Systems

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Commercial harvesting of American ginseng (Panax quinquefolius) results in root debris in the soil, but the rate of decay is unknown. In this study, post-harvest root debris decayed mostly over the fall and winter, with almost no ginseng debris remaining in the soil by late spring of the following year. However, a small number of intact pencil-shaped roots were able to survive after harvest and sprout the following spring without any evidence of root decay. Root rot lesions were observed, which included many associated with the root rot pathogen Ilyonectria mors-panacis, with disappearing root rot symptoms observed in the following spring. Ginsenosides in soil were highest just prior to harvest, declining until an increase the following spring. Soil bacterial and fungal populations changed over time after harvest with several peaks in bacterial populations mostly in the fall, but this was less clear for fungal populations, which were dominated by only a few taxa. Harvesting ginseng can leave considerable debris in the soil, impacting its chemistry and microbiota. Ginseng replant disease, where the second crop shows high levels of root rot due to I. mors-panacis infection compared to low levels in the first crop, could be related to the decay of post-harvest crop debris, but additional research is needed to demonstrate this.

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Inhibition Effect on Root Rot Disease of Panax ginseng by Crop Cultivation in Soil Occurring Replant Failure

Cited by 11 publications

References 18 publications

Effects of maize rotation on the physicochemical properties and microbial communities of American ginseng cultivated soil

Effects of maize rotation on the physicochemical properties and microbial communities of American ginseng cultivated soil

The Effect of Fungicides on Mycelial Growth and Conidial Germination of the Ginseng Root Rot Fungus, Cylindrocarpon destructans

Decay of Root Debris after Harvesting American Ginseng (Panax quinquefolius) and Changes in Soil Chemistry and Microbiology

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